Finding the Fourth Proportional to 438,316.56, 656,925.99 and 235,414.04
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Solution
The fourth proportional to 438,316.56, 656,925.99 and 235,414.04 is: 352,826.28
Step by Step Solution
- Step 1: Write the proportion equation
438,316.56 : 656,925.99 = 235,414.04 : x - Step 2: Convert to fraction form
438,316.56/656,925.99 = 235,414.04/x - Step 3: Cross multiply
438,316.56x = 656,925.99 × 235,414.04 - Step 4: Simplify right side
438,316.56x = 154,649,602,929.22 - Step 5: Solve for x
x = 154,649,602,929.22/438,316.56 - Step 6: Final answer
x = 352,826.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.